6480784 has 10 divisors (see below), whose sum is σ = 12556550. Its totient is φ = 3240384.

The previous prime is 6480781. The next prime is 6480811. The reversal of 6480784 is 4870846.

It can be written as a sum of positive squares in only one way, i.e., 6390784 + 90000 = 2528^2 + 300^2 .

It is a super-2 number, since 2×6480784² = 84001122509312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6480781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202509 + ... + 202540.

It is an arithmetic number, because the mean of its divisors is an integer number (1255655).

Almost surely, 2^6480784 is an apocalyptic number.

It is an amenable number.

6480784 is a deficient number, since it is larger than the sum of its proper divisors (6075766).

6480784 is a wasteful number, since it uses less digits than its factorization.

6480784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405057 (or 405051 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 6480784 is about 2545.7383997575. The cubic root of 6480784 is about 186.4414687895.

The spelling of 6480784 in words is "six million, four hundred eighty thousand, seven hundred eighty-four".